Shoal & Stem

O'Neill, NE tap water

Supplied by City of Oneill. Here's what its water means for your fish.

Disinfectant

Not confirmed

We couldn't confirm how your water is disinfected. US utilities use chlorine or chloramine, and chloramine doesn't gas off when water sits out.

Safety for fish and shrimp

Nitrate (NO₃)

Area estimate

0.7–49 ppm (Low)

Typical 3.9 ppm

Low, so water changes lower your tank's nitrate well.

Area estimate from nearby wells: USGS well samples in your county (2003–2004).

Water chemistry

General hardness

Area estimate

47–110 ppm

Typical 86 ppm

Moderately soft to medium. Suits most community fish and plants.

Area estimate from nearby wells: USGS well samples in your county (2003–2004).

Carbonate hardness (alkalinity)

Area estimate

52–118 ppm

Typical 86 ppm

Moderate buffering. pH should stay fairly steady.

Area estimate from nearby wells: USGS well samples in your county (2003–2004).

pH

Area estimate

7–7.8

Typical 7.6

Most community fish do well here. Stable water matters more than the exact number.

Area estimate from nearby wells: USGS well samples in your county (2003–2004).

Total dissolved solids

Area estimate

113–204 ppm

Typical 183 ppm

A rough measure of everything dissolved in the water. RO water reads near 0, so TDS is a quick way to compare waters.

Area estimate from nearby wells: USGS well samples in your county (2003–2004).

Who supplies O'Neill, NE

  • City of Oneill

    Serves 97% of residents · Groundwater (wells) · Disinfectant not listed

Our data comes from public records and is still incomplete. Many utilities don't publish every number, so we're adding more all the time. Your city's range is a starting point: testing your own tap is the only way to know exactly what's in it.

Tap water lookup covers US cities only for now. Want to know why it matters? Read our story on tap water.

Compiled by Shoal & Stem from public records. Free to cite with a link.

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